LF, a 34 year old white male, presented to the emergency room complaining of acute and severe shortness of breath and intense chest tightness. LF’s speech was choppy and breathing was very rapid and erratic, punctuated by noticeable wheezing. LF’s medical records included the results of pulmonary function testing he had undergone six months before His medical records also indicated prior admission for respiratory symptoms and a history of poorly- controlled asthma. LF received high-dose bronchodilator medication through use of a valved holding chamber. This was followed by intravenous glucocorticoids and nebulized bronchodilators every two hours for a twelve-hour period, followed by nebulized bronchodilators every four hours for a forty-eight hour period. After discharge from the hospital, LF was provided a take-home flow meter to monitor his lung function. Table 4 shows LF’s PEFR results during a 30-day period. Table 4. Peak flow monitoring from day 1-30 post-discharge. All PEFR values are given in L/min. Day PEFR Day PEFR Day PEFR Day PEFR Day PEFR Day PEFR 1 495 6 500 11 493 16 503 21 453 26 483 2 490 7 493 12 483 17 276 22 468 27 500 3 500 8 510 13 479 18 255 23 492 28 496 4 478 9 483 14 488 19 277 24 493 29 488 5 486 10 492 15 491 20 379 25 487 30 489 Use ONLY the values in Table 4 to graph the following graph using any computer program (labelled properly): a. LF’s lung function trajectory over 30 days. Use the figure caption to briefly describe any trends you observe.

Phlebotomy Essentials

6th Edition

ISBN:9781451194524

Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Chapter1: Phlebotomy: Past And Present And The Healthcare Setting

Section: Chapter Questions

Problem 1SRQ

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Question

LF, a 34 year old white male, presented to the emergency room complaining of acute and severe shortness
of breath and intense chest tightness. LF’s speech was choppy and breathing was very rapid and erratic,
punctuated by noticeable wheezing. LF’s medical records included the results of pulmonary function
testing he had undergone six months before
His medical records also indicated prior admission for respiratory symptoms and a history of poorly-
controlled asthma.
LF received high-dose bronchodilator medication through use of a valved holding chamber. This was
followed by intravenous glucocorticoids and nebulized bronchodilators every two hours for a twelve-hour
period, followed by nebulized bronchodilators every four hours for a forty-eight hour period.
After discharge from the hospital, LF was provided a take-home flow meter to monitor his lung function.
Table 4 shows LF’s PEFR results during a 30-day period.
Table 4. Peak flow monitoring from day 1-30 post-discharge. All PEFR values are given in L/min.

Day	PEFR	Day	PEFR	Day	PEFR	Day	PEFR	Day	PEFR	Day	PEFR
1	495	6	500	11	493	16	503	21	453	26	483
2	490	7	493	12	483	17	276	22	468	27	500
3	500	8	510	13	479	18	255	23	492	28	496
4	478	9	483	14	488	19	277	24	493	29	488
5	486	10	492	15	491	20	379	25	487	30	489

Use ONLY the values in Table 4 to graph the following graph using any computer program (labelled properly):
a. LF’s lung function trajectory over 30 days. Use the figure caption to briefly describe any
trends you observe.

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